Home / 14,256.36-21,385.68-4,892.61

Finding the Fourth Proportional to 14,256.36, 21,385.68 and 4,892.61

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Solution

The fourth proportional to 14,256.36, 21,385.68 and 4,892.61 is: 7,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.36 : 21,385.68 = 4,892.61 : x
  2. Step 2: Convert to fraction form
    14,256.36/21,385.68 = 4,892.61/x
  3. Step 3: Cross multiply
    14,256.36x = 21,385.68 × 4,892.61
  4. Step 4: Simplify right side
    14,256.36x = 104,631,791.82
  5. Step 5: Solve for x
    x = 104,631,791.82/14,256.36
  6. Step 6: Final answer
    x = 7,339.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.